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# OAR Box 1384 Prepped by Charmelle Mathews



### Document

Number: 

# 186 ) ll-E-14 6 Docket Number: 

# A-94-5 2

Printed 7/2/2008 8:42:09 AM

Sheet 186 of 264flUG-05-1998 11:5 8 VD'UX'f v •->._ . . P. 2 MILE S FIBERGLAS S & PLSTI C 50 3 77 4 256 1 P.03'0 4 

### A 9 4 5 2 

# Mo

From : Contac tRepor t

Rober tJemison , Pacifi c Environmenta l Services , Inc . (PES ) Bate : Contact : Company : April 7,199 8

Mr. Lowel l Mile s Mile s Fiberglas s & Plastics , In c Telephon e Numbe n (503 ) 775-775 5 Fa x Number : (503 ) 774-256 1 Contac tSummary : Mr. Lowel l Mile s wa s contacte d o n behalf

o f th e U.S . EPA t o updat

e informatio n provide d i n th e 199 3 EPA Reinforced Plasti c Composite s Screenin g Surve y submitted b y Mile s Fiberglas s & Plastics , Inc . fo

r their facilit

y locate d i n Orego

n City , Oregon . I n respons e t o m y question s Mr . Mile s indicate d th e following ; Th e facility produces product s for bot h corrosio n resistantan

d non-corrosio n resistan t apphcations . Th e non-corrosion resistan tproduct s produce d b y th e facility ar

e tu b & showe r unit s and components o f

recreationa

l vehicles . Th e facilit

y als o produce s interio r components fo r recreational submarines whic h ofte n com e i n contac twith sal twater . Th e conosio n resistan t product s produce d b y th e facilit y includ e industria

l tank s fo twaste wate r treatment, chemica l processin g & storage , an

d foo d processing . Th e facility use s th e spra y lay-up proces s i n th e fabrication it s non-oorrosio n resistan t products . Th e dicyclopentadien e (DCFD ) an d isophthali c polyeste r resin s use d i n th e fabricatio n o f thes e product

s contai n approximatel

y 37.9 % HAP b y weigh tan d 49.0 % HA P b y weight , respeaively . Th e faoilit y use s each o f

thes e resin s equall y (o n th e basi s o f tonnag e o f

resi n consumed ) durin

g th e fabricatio

n o f non-corrosion resistan

tproducts . Th e facility use s th e vacuu m baggin g proces s i n th e fabricatio n o f approximatel

y 45 % (o n th e basi s o f

tonnag e ofresi n consumed ) o f it s non-corrosio n resistan tproducts . Th e facilit

y use s th e spra

y lay-u p proces s i n th e fabrication it s corrosio n resistan tproducts . Th e polyeste r resin s use d i n th e fabricatio n o f thes e product

s contai n approximately 45-50 % HA P b y weigh t Th e onl y HA Pinitiall y presen ti n th e polyeste r resins use d b y th e faciUt y i s styrene . N o additiona l HA P i s adde

d t o th e resin s durin

g th e fabrication processe s wit h th e exceptio n o f smal l amounts o f

HA P tha tma y (or ma y not) b e presen

ti n initiators , promoters , and/o r catalysts adde d t o th e resins . Non e o f

th e resin s use d b y th e faciUt y contai n a vapo r suppressant. INFORMATIO N I S AC C



# m^j&rA«//tf. Ms^cL,

RG-05-199 8 11:4 2 1919941023 4 9 8 % P.0 2.M**-«S..»-*_ . MI B FIEEMUG B tFISTI

C 50 3 77 4 256 1 P.B4/0 4 P. 3

Contac tRepor t Mr . Lowel l Mile s - Mile s Fiberglas s & Plastics , Ino . Apri l 7,199 8 Pag e Tw o Th e facilit

y use s spra

y lay-u p t o appl y severa l pigmented polyeste r ge l coat s whic h contain , o n average , approximately 36.5 % HA P b y weigh t(34 % styren e an d 2.5 % methy l methacrylate) . Whil e th e average methyl methacrylat e (MMA ) conten

tofth e ge l coat

s i s approximately 2.5% , thi s doe s no timpl y tha

tal l ofth e pigmented ge l coat s contain MMA . N o additiona l HA ? i s adde d t o di e ge l coat s during th e fabrication proces s with th e exceptio n o f small amount

s o f HA P thatmay (o r ma y not ) b e presenti n initiators , promoters , and/o r catalyses adde d t o th e ge l coats . Al l o f th e mixin g conducted atthi s facilit y i s done insid e a 30 0 gallo n mixin g tank . Th e mixin g tan

k i s covere d an

d n o visibl e gap s exis tbetwee n th e cove r an d th e rim o f

th e mixin g tank . Th e facilit

y doe s no tactivel y (force ) ven temission s fro m th e mixin g tank b y applyin g a vacuu m t o th e mixin g tanl c There ar e n o opening s i n th e cove r ofth e mixin g tank other tha n a singl e slo tfo r th e mixin g shaft. Thi s slo ti s designe d t o allo w tiie shaf

tto sUd e bac k and fort h thereb y adjustin g th e positio n ofth e mixin g blades . B y constantly adjusting tiie positio n o f tiie mixin g blades , th e amounto f

heatproduce

d by th e friction between the mixin g blade s an d th e resi n syste m i s increased o r decrease d a s necessar

y t o maintain th e desired temperatur e ofth e resi n system . A thermostat constantly take s a readin

g ofth e temperatur

e ofth e resi n system an

d automatically adjust

s th e angl e o f th e blad e to increas e o r decreas e frictio n an

d thereby kee p tiie resi n syste m ata constan t temperature . Th e temperatur e o f th e resi n syste m use d b y th e facility i s importantbecaus e th e temperature o f

th e resi n system i s directly related t o th e viscosity o f

th e resi n system . Withou t maintainin g th e resi n syste m a ta hig h temperatur

e (an d lo w viscosity) , th e hig h viscosit y ofth e filled resi n syste m use d b y th e facilit y would preven

tth e successful tiansfe r ofth e filled resi n syste m fro m th e mixin g tan

k t o th e spra

y guns usin g close d lines . Successful appUcation o f tiie fiUed resi n syste m throug

h th e spra y guns t o th e ope n mold s woul d ab o b e prevented .



# m*i^,^/// ,/M ^£L , INFORMATIO N I S AC C ^
2 - TOTfi L P.0 4HUG-05-199 8 11:5 7 MILES.FIBEROflS S 8 PLSTI C 50 3 77 4 256 1 P.01^0 4



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